jQuery.validator.addMethod('phone', function(value, element) {  
			    var length = value.length;  
			    var regPhone = /^1([3578]\d|4[57])\d{8}$/;  
			    return this.optional(element) || ( length == 11 && regPhone.test( value ) );    
			}, "请正确填写您的手机号码");  